Which is better, loreal color pulse or herbal essences colorflirt? and what shade to get chocolate b

i have medium/light brown hair, and i want a dark, chocolate brown, so what color should i use, and what are ur results from using any of the products

Which is better, loreal color pulse or herbal essences colorflirt? and what shade to get chocolate brown hair?

I think that the Natural Instincts (i forgot the manufacturer) works better and lasts longer. Color Pulse is okay but doesnt stay bright and fresh. I havent tried colorflirt though.